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#include "cspace.h"
/*
* note: these are intended for testing and should be avoided
* in favor of NEON version or platform-specific conversion
*/
void bgr555_to_rgb565(void *dst_, const void *src_, int bytes)
{
const unsigned int *src = src_;
unsigned int *dst = dst_;
unsigned int p;
int x;
for (x = 0; x < bytes / 4; x++) {
p = src[x];
p = ((p & 0x7c007c00) >> 10) | ((p & 0x03e003e0) << 1)
| ((p & 0x001f001f) << 11);
dst[x] = p;
}
}
void bgr888_to_rgb565(void *dst_, const void *src_, int bytes)
{
const unsigned char *src = src_;
unsigned int *dst = dst_;
unsigned int r1, g1, b1, r2, g2, b2;
for (; bytes >= 6; bytes -= 6, src += 6, dst++) {
r1 = src[0] & 0xf8;
g1 = src[1] & 0xfc;
b1 = src[2] & 0xf8;
r2 = src[3] & 0xf8;
g2 = src[4] & 0xfc;
b2 = src[5] & 0xf8;
*dst = (r2 << 24) | (g2 << 19) | (b2 << 13) |
(r1 << 8) | (g1 << 3) | (b1 >> 3);
}
}
// TODO?
void rgb888_to_rgb565(void *dst, const void *src, int bytes) {}
void bgr888_to_rgb888(void *dst, const void *src, int bytes) {}
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